GREENOUGH, George Bellas
A Geological Map of England and Wales by G.B. Greenough, President of the Geological Society ... (on the basis of the original Map of Wm. Smith 1815), Revised and Improved under the Superintendence of a Committee of the Geological Society of London, from the Maps of the geological Survey of Great Britain, 1836-63 and Maps and Documents contributed by Sir R.J. Murchison, Professor Phillips, Joseph Prestwich, R. Godwin Austen, and others. [With] Memoir of a Geological Map of England; to which is added, an Alphabetical Index to the Hills, and a List of the Hills arranged according to Counties